/*
 * Copyright (c) 2014  Balint Cristian (cristian.balint@gmail.com)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * * Neither the name of copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/* misc.cpp */
/* Miscelaneous routines */

#include <stdio.h>


namespace emvs {

int TermProgress( double dfComplete , int nLastTick = -1 )
{
    int nThisTick = (int) (dfComplete * 40.0);

    if (nThisTick < 0)
        nThisTick = 0;
    if (nThisTick > 40)
        nThisTick = 40;

    // Have we started a new progress run?
    if ( ( nThisTick < nLastTick )
           && ( nLastTick >= 39) )
        nLastTick = -1;

    if ( nThisTick <= nLastTick )
        return nLastTick;

    while ( nThisTick > nLastTick )
    {
        nLastTick = nLastTick + 1;
        if ( ( nLastTick % 4 ) == 0 )
            printf("%d" , ( ( nLastTick / 4 ) * 10 ) );
        else
            printf( "." );
    }
    if (nThisTick == 40)
        printf( " - done.\n" );
    else
        fflush( stdout );

    return nLastTick;
}

} // end emvs namespace
